Common antibiotics and their uses

Question 1

which antibiotic is used to treat most SSTIs caused by strep. pyogenes and staph, aureus

Answer 1

flucloxacillin

Question 2

what are the names of the antibiotics used to treat impetigo

Answer 2

fucidic acid

mupirocin

Question 3

which antibiotics are used instead of flucloxacillin for penicillin allergies

Answer 3

erythromycin
vancomycin
clarithromycin
linezolid

Question 4

which antibiotics are used to treat necrotising fasciitis

Answer 4

meropenem and clindamycin

Question 5

which antibiotic is used to treat anaerobic infections

Answer 5

metronidazole

Question 6

which antibiotics are used for high risk MRSA

Answer 6

vancomycin and linezolid

Question 7

which 2 types of antibiotic bind to the 30s subunit of ribosomes

Answer 7

tetracycline and aminoglycosides

Question 8

which b-lactam antibiotic only works on gram -ves

Answer 8

azotreonam, monobatam

Question 9

what do glycopeptides target in the cell wall

Answer 9

bind to d-alanyl-d-alanine on NAM pentapeptides

Question 10

what types of antibiotic is linezolid and what does it do

Answer 10

oxozolidinone, prevents the assembly of the ribosome complex so stops protein synthesis

Question 11

nitrofurantoin

Answer 11

treats bacterial infections of the urinary system
administered by mouth
may cause vomiting, loss of appetite, diarrhoea, skin rashes

Question 12

trimethoprim

Answer 12

active against a range of microorganisms
taken by mouth
used mainly for chronic UTIs and RTIs
interacts with folate
long term may cause anaemia

Question 13

metronidazole

Answer 13

anaerobic antimicrobial, 1st line for C.difficile (with vancomycin)
urinary, genital, digestive system infections
mouth, suppositories, infusion, topically
side effects - digestive upsets, unpleasant taste in mouth

Question 14

isoniazid

Answer 14

treatment for TB
taken by mouth
in oconjunction with other ABs to prevent resistance
side effects -peripheral neuropathy

Question 15

which 3 antibiotics are usually used for UTIs

Answer 15

trimethoprim
amoxicillin
nitrofurantoin

Question 16

which antibiotic reaches a good level in the CSF

Answer 16

b-lactams

Question 17

which antibiotics do not reach good levels in CSF

Answer 17

aminoglycosides

vancomycin

Question 18

which antibiotics reach good levels in the urine

Answer 18

trimethoprim

b-lactams

Question 19

which antibiotics is given at intermittent periods at high peaks

Answer 19

aminoglycosides

Question 20

which antibiotics are given at a steady frequent dose to maintain the level

Answer 20

b-lactams

Question 21

which antibiotic only works on aerobic bacteria

Answer 21

gentamycin (oxygen dependent uptake)